{"product_id":"beitian-m9-m10-antenna","title":"Beitian BE-125\/BK-125 GNSS SMT Timing Module with 1PPS Output, GPS\/BDS\/Galileo, TTL\/RS-232","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis Beitian GNSS module series is an SMT timing module with 1PPS (seconds pulse) output for synchronization and timing applications. Different selectable models support different GNSS constellations and electrical levels (TTL or RS-232), and all listed models require an external antenna.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1PPS output supported (seconds pulse)\u003c\/li\u003e\n\u003cli\u003eMulti-mode positioning options shown: single Beidou mode; GPS\/BDS\/GALILEO\/SBAS\/QZSS; GPS\/GLONASS\/BDS\/GALILEO\/IRNSS\/SBAS\/QZSS\u003c\/li\u003e\n\u003cli\u003eUART interface (TTL level shown; RS-232 versions also listed depending on model)\u003c\/li\u003e\n\u003cli\u003eExternal antenna required (listed across models)\u003c\/li\u003e\n\u003cli\u003eAntenna network notes shown: impedance matching 50 ohm; antenna VSWR \u0026lt; 1.6; internal antenna detection and short-circuit protection function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eModel comparison (from manufacturer tables)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eBE-125\u003c\/th\u003e\n\u003cth\u003eBE-125B\u003c\/th\u003e\n\u003cth\u003eBK-125\u003c\/th\u003e\n\u003cth\u003eBD-125 (TTL)\u003c\/th\u003e\n\u003cth\u003eBD-125 (RS-232)\u003c\/th\u003e\n\u003cth\u003eBQD-125 (TTL)\u003c\/th\u003e\n\u003cth\u003eBQD-125B (RS-232)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eM10050\u003c\/td\u003e\n\u003ctd\u003eM10050\u003c\/td\u003e\n\u003ctd\u003eM9N Module\u003c\/td\u003e\n\u003ctd\u003eMT3333\u003c\/td\u003e\n\u003ctd\u003eMT3333\u003c\/td\u003e\n\u003ctd\u003eAT6668B\u003c\/td\u003e\n\u003ctd\u003eAT6668B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking mode\u003c\/td\u003e\n\u003ctd\u003eGPS L1 C\/A, QZSS L1 C\/A\/S, BDS B1I\/B1C, Galileo E1B\/C, SBAS L1 C\/A: WAAS, EGNOS, MSAS, GAGAN\u003c\/td\u003e\n\u003ctd\u003eGPS L1 C\/A, QZSS L1 C\/A\/S, BDS B1I\/B1C, Galileo E1B\/C, SBAS L1 C\/A: WAAS, EGNOS, MSAS, GAGAN\u003c\/td\u003e\n\u003ctd\u003eGPS L1 C\/A, QZSS L1 C\/A\/S, GLONASS L1OF, BDS B1I, Galileo E1B\/C, SBAS L1 C\/A: WAAS, EGNOS, MSAS, GAGAN\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS B1, QZSS L1, SBAS L1\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS B1, QZSS L1, SBAS L1\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS-B1I, BDS-B1C\u003c\/td\u003e\n\u003ctd\u003eBDS-B1I, BDS-B1C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003e92\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -160 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -160 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -159 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -156 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -156 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -155 dBm\u003c\/td\u003e\n\u003ctd\u003eCold Start -148 dBm; Hot Start -156 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition (Horizontal)\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003ctd\u003e1.5 m CEP\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2 m (CEP50)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2 m (CEP50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity\u003c\/td\u003e\n\u003ctd\u003e0.05 m\/s\u003c\/td\u003e\n\u003ctd\u003e0.05 m\/s\u003c\/td\u003e\n\u003ctd\u003e0.05 m\/s\u003c\/td\u003e\n\u003ctd\u003e0.1 m\/s 95% (SA off)\u003c\/td\u003e\n\u003ctd\u003e0.1 m\/s 95% (SA off)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 m\/s (1 σ)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 m\/s (1 σ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1PPS time\u003c\/td\u003e\n\u003ctd\u003eRMS 30 ns\u003c\/td\u003e\n\u003ctd\u003eRMS 30 ns\u003c\/td\u003e\n\u003ctd\u003eRMS 30 ns\u003c\/td\u003e\n\u003ctd\u003e1 us\u003c\/td\u003e\n\u003ctd\u003e1 us\u003c\/td\u003e\n\u003ctd\u003e20 ns\u003c\/td\u003e\n\u003ctd\u003e20 ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcquisition time\u003c\/td\u003e\n\u003ctd\u003eCold start 27 s; Hot start 1 s; Aided start 1 s\u003c\/td\u003e\n\u003ctd\u003eCold start 27 s; Hot start 1 s; Aided start 1 s\u003c\/td\u003e\n\u003ctd\u003eCold start 24 s; Hot start 2 s; Assisted start 2 s\u003c\/td\u003e\n\u003ctd\u003eCold Start 26 s; Warm Start 25 s; Hot Start 1 s\u003c\/td\u003e\n\u003ctd\u003eCold Start 26 s; Warm Start 25 s; Hot Start 1 s\u003c\/td\u003e\n\u003ctd\u003eCold Start \u0026lt; 23 s; Hot Start \u0026lt; 1 s; Recapture \u0026lt; 1 s\u003c\/td\u003e\n\u003ctd\u003eCold Start \u0026lt; 23 s; Hot Start \u0026lt; 1 s; Recapture \u0026lt; 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport rate (baud rate)\u003c\/td\u003e\n\u003ctd\u003e4800 bps - 921600 bps, default 115200 bps\u003c\/td\u003e\n\u003ctd\u003e4800 bps - 921600 bps, default 115200 bps\u003c\/td\u003e\n\u003ctd\u003e4800 bps - 921600 bps, default 115200 bps\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, default 9600 bps\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, default 9600 bps\u003c\/td\u003e\n\u003ctd\u003eDefault 115200 bps\u003c\/td\u003e\n\u003ctd\u003eDefault 115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData level\u003c\/td\u003e\n\u003ctd\u003eTTL\u003c\/td\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003ctd\u003eTTL\u003c\/td\u003e\n\u003ctd\u003eTTL\u003c\/td\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003ctd\u003eTTL\u003c\/td\u003e\n\u003ctd\u003eRS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData protocol\u003c\/td\u003e\n\u003ctd\u003eNMEA, UBX\u003c\/td\u003e\n\u003ctd\u003eNMEA, UBX\u003c\/td\u003e\n\u003ctd\u003eNMEA, UBX\u003c\/td\u003e\n\u003ctd\u003eNMEA-0183\u003c\/td\u003e\n\u003ctd\u003eNMEA-0183\u003c\/td\u003e\n\u003ctd\u003eNMEA\u003c\/td\u003e\n\u003ctd\u003eNMEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate rate\u003c\/td\u003e\n\u003ctd\u003e0.25 Hz - 18 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e0.25 Hz - 18 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e0.25 Hz - 25 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e1 Hz - 10 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e1 Hz - 10 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e≤ 10 Hz, default 1 Hz\u003c\/td\u003e\n\u003ctd\u003e≤ 10 Hz, default 1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFLASH\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWork restrictions\u003c\/td\u003e\n\u003ctd\u003eAltitude 80,000 m; Velocity 500 m\/s; Dynamics \u0026lt; 4 g\u003c\/td\u003e\n\u003ctd\u003eAltitude 80,000 m; Velocity 500 m\/s; Dynamics \u0026lt; 4 g\u003c\/td\u003e\n\u003ctd\u003eAltitude 80,000 m; Velocity 500 m\/s; Dynamics \u0026lt; 4 g\u003c\/td\u003e\n\u003ctd\u003eAltitude \u0026lt; 50,000 m; Velocity \u0026lt; 515 m\/s; Acceleration \u0026lt; 4 g\u003c\/td\u003e\n\u003ctd\u003eAltitude \u0026lt; 50,000 m; Velocity \u0026lt; 515 m\/s; Acceleration \u0026lt; 4 g\u003c\/td\u003e\n\u003ctd\u003eAltitude 18,000 m; Velocity 515 m\/s\u003c\/td\u003e\n\u003ctd\u003eAltitude 18,000 m; Velocity 515 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003ctd\u003eDC Voltage 3.6 V - 5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e30 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e30 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e45 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e50 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e50 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e35 mA \/ 5.0 V\u003c\/td\u003e\n\u003ctd\u003e35 mA \/ 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12 g\u003c\/td\u003e\n\u003ctd\u003e12 g\u003c\/td\u003e\n\u003ctd\u003e12 g\u003c\/td\u003e\n\u003ctd\u003e10 g\u003c\/td\u003e\n\u003ctd\u003e10 g\u003c\/td\u003e\n\u003ctd\u003e12 g\u003c\/td\u003e\n\u003ctd\u003e12 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P without lock, horizontal SMD socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eBF-125 module main performance indicators (from the shown product-parameters table)\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eB1301Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver type\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS B1, GALILEO E1, QZSS L1, SBAS L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault position system\u003c\/td\u003e\n\u003ctd\u003eGPS, BDS, GALILEO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAugmentation system\u003c\/td\u003e\n\u003ctd\u003eSBAS, QZSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Tracking \u0026amp; Navigation)\u003c\/td\u003e\n\u003ctd\u003e-163 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Reacquisition)\u003c\/td\u003e\n\u003ctd\u003e-159 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Cold Start)\u003c\/td\u003e\n\u003ctd\u003e-148 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Hot Start)\u003c\/td\u003e\n\u003ctd\u003e-159 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (Horizontal Position)\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy (Velocity)\u003c\/td\u003e\n\u003ctd\u003e0.1 m\/s CEP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcquisition (Cold Start)\u003c\/td\u003e\n\u003ctd\u003e28 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcquisition (Hot Start)\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAGPS Time To First Fix\u003c\/td\u003e\n\u003ctd\u003e1.5 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e9600 - 2000000 bps, default 115200 bps, support sleep mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel\u003c\/td\u003e\n\u003ctd\u003eTTL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eNMEA, UBX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUBX Statement\u003c\/td\u003e\n\u003ctd\u003ePVT, SAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e1 - 20 Hz (default: 10 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFLASH\u003c\/td\u003e\n\u003ctd\u003eSupport; configuration can be changed; will not be lost in the event of power outage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWork Restrictions (High)\u003c\/td\u003e\n\u003ctd\u003e50,000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWork Restrictions (Speed)\u003c\/td\u003e\n\u003ctd\u003e500 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWork Restrictions (Gravitational Acceleration)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 4 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V - 5.5 V, typical: 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e20 mA \/ 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e25.6 * 25.6 * 7.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.0 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1.25 mm 6pins connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eNeed a external antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40 C - +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40 C - +105 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX Light\u003c\/td\u003e\n\u003ctd\u003ePower on; blue light flashing; indicate data output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePPS Light\u003c\/td\u003e\n\u003ctd\u003eRed light not bright when GPS not fixed; flashing when fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003ePinout \u0026amp; Wiring (shown for BF-125)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eI\/O\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1PPS\u003c\/td\u003e\n\u003ctd\u003eO\u003c\/td\u003e\n\u003ctd\u003e1PPS, low level before positioning, 1 s period after positioning, high level 100 ms second pulse output\u003c\/td\u003e\n\u003ctd\u003eThe pulse can be used for synchronization or timing. Leave it unconnected if not used.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eRST\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eReset pin\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eUART communication interface, TTL level\u003c\/td\u003e\n\u003ctd\u003eBDS data input pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eO\u003c\/td\u003e\n\u003ctd\u003eUART communication interface, TTL level\u003c\/td\u003e\n\u003ctd\u003eBDS data output pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eMain power supply, DC input\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V - 5.5 V; 5.0 V recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eWiring diagrams shown include: GPS module to USB-to-TTL cable (GND, TX, RX, VCC) and GPS module to microcontroller (1PPS to IO, plus GND\/TX\/RX\/VCC). A BOOT pin is also shown on the module side.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eShared bike tracking\u003c\/li\u003e\n\u003cli\u003eLogistics tracking\u003c\/li\u003e\n\u003cli\u003eWearable device positioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Options\u003c\/h2\u003e\u003cp\u003eA product list graphic indicates possible combinations of \u003cstrong\u003eadapter cable\u003c\/strong\u003e + \u003cstrong\u003emodule\u003c\/strong\u003e + \u003cstrong\u003eantenna\u003c\/strong\u003e, and notes that items included may differ by module\/option. For confirmation of the exact items included with the selected variant (Model options shown: BK-125, BE-125, BE-125B, BK-125B, BN-143AJ, BD-143AJ), contact support at \u003ca href=\"https:\/\/rcdrone.top\/\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Beitian BE-125\/BK-125 GNSS timing module comparison table with 1PPS output and antenna notes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High.png?v=1783414213\"\u003e\u003cp\u003eModel specs are summarized for the BE-125 series and related variants, including data level, 1PPS timing, and antenna requirements.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BE-125\/BK-125 GNSS timing module with 1PPS output, TTL level, and multimode support\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_23e8f867-adc6-4619-9cc5-1befbbd3a151.png?v=1783414221\"\u003e\u003cp\u003eThe module is designed for timing applications and supports selectable GNSS modes with a 1PPS seconds pulse output.\u003c\/p\u003e\n\u003cimg alt=\"GNSS mode chart showing single Beidou, three-constellation, and four-constellation options for the module\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_67d7f5d0-82cb-45e7-ac4f-1e1824f490d2.png?v=1783414227\"\u003e\u003cp\u003eSelectable constellation modes help match the module to different timing and positioning setups.\u003c\/p\u003e\n\u003cimg alt=\"BE-125 GNSS timing module parameter sheet with chip details, pin definition, rear view, and size diagram\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_b0f6dd46-e955-4670-86ab-d57a3113c1e6.png?v=1783414234\"\u003e\u003cp\u003eKey electrical, mechanical, and pin details are grouped together for installation and integration planning.\u003c\/p\u003e\n\u003cimg alt=\"Wiring diagram for BE-125 GNSS module connection to USB to TTL cable and microcontroller with 1PPS\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_5981eddc-829e-4a9d-91a9-e3f1fc73b90b.png?v=1783414240\"\u003e\u003cp\u003eUART wiring and the 1PPS line are laid out for direct connection to a USB-to-TTL cable or controller.\u003c\/p\u003e\n\u003cimg alt=\"Antenna performance graphic for BE-125 GNSS module with 50 ohm network, VSWR, and sky plot\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_54dd18a0-41c3-4194-abae-7ff35d034e63.png?v=1783414250\"\u003e\u003cp\u003eA matched external antenna helps support stable reception and accurate timing output.\u003c\/p\u003e\n\u003cimg alt=\"Product parameters table for Beitian BF-125 module with pin definition and external antenna requirement\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_4e75b48b-c945-4d7d-948d-f3970ab18b84.png?v=1783414256\"\u003e\u003cp\u003eThe parameter sheet lists electrical limits, output format, operating range, and the required external antenna.\u003c\/p\u003e\n\u003cimg alt=\"BE-125 module rear view, functional block diagram, and dimension drawing for mounting reference\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_06e05866-0908-4aa5-85f9-310944a141cc.png?v=1783414263\"\u003e\u003cp\u003eRear layout and dimensions help confirm connector placement before assembly.\u003c\/p\u003e\n\u003cimg alt=\"Fields of application graphic showing shared bike, logistics tracking, and wearable device use cases\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_0abab0dc-cd24-45ca-a872-ac0d6da04e98.png?v=1783414269\"\u003e\u003cp\u003eTypical applications include asset tracking and other compact GNSS-enabled products.\u003c\/p\u003e\n\u003cimg alt=\"Product list showing adapter cable, Beitian BF-125 module, and external antenna kit contents\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-GNSS-SMT-Timing-antenna-GLONASS-GALILEO-High_64aeb0a0-6938-4f69-846b-c7da46a1d4a1.png?v=1783414275\"\u003e\u003cp\u003eThe module is pictured with the matching cable and antenna used in the complete setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"BK-125","offer_id":53331073302752,"sku":"Beitian_M9_M1_a75a89-1","price":32.46,"currency_code":"USD","in_stock":true},{"title":"BE-125","offer_id":53331073335520,"sku":"Beitian_M9_M1_a75a89-2","price":30.06,"currency_code":"USD","in_stock":true},{"title":"BE-125B","offer_id":53331073368288,"sku":"Beitian_M9_M1_a75a89-3","price":36.06,"currency_code":"USD","in_stock":true},{"title":"BK-125B","offer_id":53331073401056,"sku":"Beitian_M9_M1_a75a89-4","price":30.06,"currency_code":"USD","in_stock":true},{"title":"BN-143AJ","offer_id":53331073433824,"sku":"Beitian_M9_M1_a75a89-5","price":14.94,"currency_code":"USD","in_stock":true},{"title":"BD-143AJ","offer_id":53331073466592,"sku":"Beitian_M9_M1_a75a89-6","price":14.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-_-E_07d52bd7-945f-4c20-ba58-b967dfc6062c.png?v=1783408586","url":"https:\/\/rcdrone.top\/fa\/products\/beitian-m9-m10-antenna","provider":"RCDrone","version":"1.0","type":"link"}